To test a hypothesis about a mean, such as average sales between stores, our data is required to be:
A) nominal scaled or ordinal scaled.
B) ordinal scaled or interval scaled.
C) interval scaled or ratio scaled.
D) ratio scaled or ordinal scaled.

Question

Quizplus · Accepted Answer

To test a hypothesis about a mean, we need to use inferential statistics which require interval or ratio level data. Nominal and ordinal data do not have sufficient granularity to measure means or variances.

To Test a Hypothesis About a Mean, Such as Average